hep-th papers | Gist.Science

Hep-Th, or high-energy theoretical physics, explores the fundamental building blocks of our universe and the forces that govern them. Researchers in this field use complex mathematics to understand everything from subatomic particles to the behavior of black holes, often pushing the boundaries of what we know about space and time.

At Gist.Science, we monitor the arXiv repository to ensure you stay ahead of the curve in this rapidly evolving discipline. For every new preprint uploaded to arXiv under this category, our team generates both accessible plain-language overviews and detailed technical summaries, making cutting-edge research understandable regardless of your background.

Below are the latest papers in high-energy theoretical physics, curated to help you navigate the most significant recent discoveries.

Kerr-Schild Double Copy of the Randall-Sundrum Black String

This paper constructs the Kerr-Schild classical double copy for a Randall-Sundrum II black string, demonstrating that while the canonical splitting yields a sourceless Maxwell field and a massive scalar reflecting the warped geometry, an alternative gravitationally equivalent splitting produces physically distinct double copies where the gauge field is supported by a bulk current and the scalar remains massless and insensitive to the extra dimension.

Jesús A. Rodríguez2026-04-08⚛️ hep-th

Mass generation in graphs

This paper proposes a graph-theoretic mechanism analogous to the Higgs mechanism, where coupling a scalar degree field to a vector-like edge field generates massive excitations with a mass gap, demonstrating that matter-like structures with varying mass and localization properties can emerge solely from the connectivity and density of discrete graphs.

Ioannis Kleftogiannis, Ilias Amanatidis2026-04-08⚛️ hep-lat

Gauge coupling unification and doublet-triplet splitting via GUT dynamical breaking

This paper explores a framework for gauge coupling unification using non-renormalizable operators in $SU(5)$, demonstrating that while fermion condensates in the 5 representation fail due to proton decay constraints, viable models achieving both unification and doublet-triplet splitting can be constructed using condensates in the 10 and 24 representations.

Isabella Masina, Mariano Quiros2026-04-08⚛️ hep-ph

Phase Transitions in Primary Hair Planar Black Holes and Solitons

This paper presents new analytic Ricci-flat planar black hole and soliton solutions with primary scalar hair in asymptotically AdS space, demonstrating that these regular geometries undergo a first-order phase transition where the hairy soliton acts as the ground state, with the transition temperature and preferred phase window significantly influenced by the scalar hair parameter.

Som Abhisek Mohanty, Subhash Mahapatra2026-04-08⚛️ hep-th

Cosmological collider signals of modular spontaneous CP breaking

This paper proposes that in a modular-invariant extension of the Standard Model where the modulus acts as the inflaton, the evolution of CP-violating Yukawa phases during inflation generates a Higgs condensate that enhances one-loop cosmological collider signals mediated by Standard Model fermions, offering a potential probe for sub-Planckian modulus decay constants in future experiments.

Shuntaro Aoki, Alessandro Strumia2026-04-08⚛️ hep-ph

Symmetry-resolved Krylov Complexity and the Uncoloured Tensor Model

This paper investigates symmetry-resolved Krylov complexity in the Uncoloured Tensor Model, establishing conditions under which charge subspaces mirror the full-space complexity and demonstrating that the averaged complexity within symmetry subspaces is bounded by that of the full operator.

Shaliya Kotta, P N Bala Subramanian2026-04-08⚛️ hep-th

Causal Dynamical Triangulations: New Lattice Theory of Quantum Gravity

This paper presents Causal Dynamical Triangulations (CDT) as a nonperturbative lattice approach to quantum gravity that successfully demonstrates the dynamical emergence of a classical de Sitter-like universe from a sum over causal triangulations, while revealing unique short-scale properties such as a spectral dimension of approximately 2 and evidence for an ultraviolet fixed point.

J. Ambjørn, R. Loll2026-04-08⚛️ hep-lat

Thermodynamics, Phase Transitions, and Geodesic Structure of $F(R)-$ Phantom BTZ Black Holes

This paper investigates the thermodynamic properties, phase transition behavior, and geodesic structure of phantom BTZ black holes within an $F(R)$ -gravity framework, demonstrating their adherence to the first law of thermodynamics, the occurrence of second-order phase transitions confirmed by Ehrenfest equations, and the existence of stable circular orbits for both massive and massless particles in specific curvature regimes.

Behzad Eslam Panah, Bilel Hamil, Manuel E. Rodrigues2026-04-08⚛️ gr-qc

Vortex Harmonic Spinors on the Nappi-Witten Space

This paper establishes a geometric correspondence between vortex equations on flat Riemann surfaces and harmonic spinors on Nappi-Witten space, utilizing this relationship to construct explicit Abelian magnetic zero-modes on four-dimensional Minkowski spacetime.

Calum Ross, Raúl Sánchez Galán2026-04-08⚛️ hep-th

Monodromy-Matrix Description of Extremal Multi-centered Black Holes

This paper establishes a unified Monodromy-Matrix framework based on the Breitenlohner--Maison linear system for extremal multi-centered black holes in five-dimensional $U(1)^3$ supergravity, explicitly constructing and analyzing coset and monodromy matrices for both BPS and almost-BPS configurations, including rotating single-center black holes and two-center black rings, to demonstrate how nilpotent and idempotent algebraic structures govern their solution-generating properties.

Jun-ichi Sakamoto, Shinya Tomizawa2026-04-08⚛️ hep-th

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